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PII: S0304-8853(98)01195-0
Copyright © 1999 Elsevier Science B.V. All rights reserved.

Structure of Cr overlayers on Fe surfaces: a new approach for the interpretation of spin-resolved photoemission and magnetic dichroism spectra

V. M. Uzdin^, , D. Knabben, F. U. Hillebrecht and E. Kisker

Institut für Angewandte Physik, Düsseldorf, D-40225, Düsseldorf, Germany

Available online 7 January 2000.

Abstract

Results of investigations of Cr overlayers on Fe surfaces by magnetic linear dichroism in the angular distribution and spin-resolved core level photoemission are analysed within the framework of a new model approach. It includes a special algorithm for modelling epitaxial growth of overlayers with different roughness together with self-consistent calculations of the magnetic moment distribution within a Periodic Anderson Model. On this basis the value of the magnetic dichroism and the spin polarisation in photoemission as functions of the Cr coverage can be modelled also for rough surfaces. The comparison of experimental spectra and theoretical coverage dependencies obtained for the different surface roughnesses leads to conclusions about the microscopic structure of Cr overlayers.

Author Keywords: Magnetic dichroism; Core-level photoemission; Surface and interface roughness

Article Outline

Acknowledgements

References

References

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Corresponding author. Tel.: +49-211-81-12284; fax: +49-211-81-13658; email: uzdin@uni-duesseldorf.de

	This document SummaryPlus Article Journal Format-PDF (86 K) Actions Cited By Save as Citation Alert Export Citation Journal of Magnetism and Magnetic Materials Volumes 198-199 1 June 1999 Pages 680-682

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